 /*******************************************************************************
  * Copyright (c) 2006, 2007 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/

 package org.eclipse.ui.internal.handlers;

 /**
  * <p>
  * A service which holds mappings between retarget action identifiers and
  * command identifiers (aka: action definition ids).
  * </p>
  * <p>
  * This class is not intended for use outside of the
  * <code>org.eclipse.ui.workbench</code> plug-in.
  * </p>
  *
  * @since 3.2
  */
 public interface IActionCommandMappingService {

     /**
      * Returns the command identifier corresponding to the given action
      * identifier, if any.
      *
      * @param actionId
      * The identifier of the retarget action for which the command
      * identifier should be retrieved; must not be <code>null</code>.
      * @return The identifier of the corresponding command; <code>null</code>
      * if none.
      */
     public String getCommandId(String actionId);

     /**
      * Maps an action identifier to a command identifier. This is used for
      * retarget action, so that global action handlers can be registered with
      * the correct command.
      *
      * @param actionId
      * The identifier of the retarget action; must not be
      * <code>null</code>.
      * @param commandId
      * The identifier of the command; must not be <code>null</code>
      */
     public void map(String actionId, String commandId);
     
     public String getGeneratedCommandId(String targetId, String actionId);
 }


